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    Free shipping from 99,-
    More than 20 years of security specialist
    Showroom in Gorinchem

    Dahua DHI-ARD821-W2(868) Wireless Panic Button

    25% sale
    Product description

    DHI-ARD821-W2(868) Wireless Panic Button

    Wireless panic button. Bidirectional RF communication. Provides multiple LED colors to indicate different statuses. Cloud update and automatic recovery from failed updates. Provides prevention against accidental pressing. Battery life up to 5 years when used twice a week. Suitable for IP54.

    Specifications:

    • Function
    • Indicator Light - 1 for multiple statuses (pairing, communication, and more)
    • Remote Update - Cloud update
    • Button - 1
    • Signal Strength - Yes
    • Low Battery Detection - Yes
    • Battery Level Display Displays - battery level on app

      Wireless
    • Carrier Frequency - 868.0 MHz–868.6 MHz
    • Communication Distance - Up to 1,400 m (4,593.18 ft) in an open space
    • Communication Mechanism - Two–way
    • Encryption Mode - AES128
    • Frequency Hopping - Yes

      General
    • Operating Temperature - –10 °C to +55 °C (+14 °F to +131 °F) (indoor)
    • Operating Humidity - 10%–90% (RH)
    • Battery Model - CR2032
    • Battery Life - 5 years (if used twice a week)
    • Product Dimensions - 55 mm × 36 mm × 14.2 mm (2.17" × 1.42" × 0.56")(L × W × H)
    • Packaging Dimensions - 95 mm × 59.5 mm × 30.5 mm (3.74" × 2.34" × 1.20") (L × W × H)
    • Installation - Wall mount; portable
    • Net Weight - 18g (0.04lb)
    • Gross Weight - 48g (0.11lb)
    • Certifications - CE
    • Casing Material - PC + ABS
    • Protection - IP54

      Technical
    • Operating Current - 28 mA
    • Test Mode - Yes

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